JP7363301B2 - Vehicle rear structure - Google Patents

Description

The present invention relates to a vehicle body rear structure.

Vehicle bodies such as automobiles are classified into so-called wagon (hatchback) styles, coupe styles, etc., depending on the shape of the rear structure of the vehicle body. A wagon style vehicle body provides sufficient interior space, making it possible to increase the carrying capacity of luggage, which is highly convenient, while a coupe style vehicle body requires less interior space, but still looks good and is a good product. Highly sexual.

Patent Document 1 describes a passenger car that can transform from a coupe style to a wagon style and vice versa by deforming its trunk. In this passenger car, the trunk hatch is divided into an upper hatch and a rear hatch, the upper hatch is of a sliding type, and the rear hatch is of an opening/closing type.

In the passenger car of Patent Document 1, the upper hatch slides toward the front of the vehicle in the coupe style, overlaps the rear board that serves as the ceiling in the wagon style, and the rear glass, together with the frame that supports it, slides toward the rear of the vehicle. In this state, the passenger car transforms into a wagon style by raising the overlapping upper hatch and rear board and making the ceiling of the vehicle body and the upper hatch continuous when in the wagon style. This passenger car has a wagon-style rear window that flips up and a rear hatch that opens toward the rear of the vehicle, allowing it to carry more cargo. This passenger car can be transformed from a wagon style to a coupe style by performing the above procedure in reverse.

Japanese Patent Application Publication No. 2003-160063

In the passenger car of Patent Document 1, when transforming from coupe style to wagon style and vice versa, it is necessary to slide the upper hatch in the longitudinal direction of the vehicle, and further slide the rear glass and the frame supporting it in the longitudinal direction of the vehicle. There is. Moreover, the overlapping upper hatch and rear bones must be raised or lowered. For this reason, in the passenger car of Patent Document 1, the shapes and mechanisms of each member are complicated, and there is room for improvement in this respect.

In view of these problems, an object of the present invention is to provide a vehicle body rear structure that has a simple structure, allows different styles to be arbitrarily selected, and improves marketability and convenience.

In order to solve the above problems, a typical configuration of the vehicle body rear structure according to the present invention is provided at the rear side of a pillar that constitutes the rear edge of a door opening provided on the side of the vehicle, and which opens and closes the door opening. A storage structure is located below the height of the lower edge of the window frame of the door and has an internal space for storage with an open upper side. It is characterized by comprising an elevating structure that appears.

According to the present invention, it is possible to provide a vehicle body rear structure that has a simple structure, allows arbitrary selection of different styles, and improves marketability and convenience.

1 is a diagram showing a rear structure of a vehicle body according to an embodiment of the present invention. FIG. 2 is an enlarged view of a part of the rear structure of the wagon-style vehicle body shown in FIG. 1(a). FIG. 2 is an enlarged view of a part of the rear structure of the coupe-style vehicle body shown in FIG. 1(b). It is a figure which shows the deformation|transformation operation of the vehicle body rear structure following FIG. 1 (a). FIG. 4B is a diagram showing the deformation operation of the vehicle body rear structure following FIG. 4(b). FIG. 5B is a diagram showing a deformation operation of the vehicle rear structure subsequent to FIG. 5(b). It is a figure which shows the deformation|transformation operation of the vehicle body rear structure following FIG.6(b).

A typical configuration of the vehicle body rear structure according to an embodiment of the present invention is a door window on the rear side of a pillar that constitutes the rear edge of a door opening provided on the side of the vehicle, and which opens and closes the door opening. A storage structure that is located below the height of the bottom edge of the frame and has an internal space for storage that is open at the top, and an elevator that is stored in the internal space of the storage structure and rises to appear above the storage structure. A structure.

In the above configuration, the storage structure located below the height of the lower end of the window frame of the door and the elevating structure are configured as separate bodies, and the elevating structure is further moved in the vertical direction of the vehicle. , realizing a deformable rear body structure. In other words, the elevating structure descends and is stored in the internal space of the storage structure (coupe style), and the elevating structure rises and appears above the storage structure and is positioned above the vehicle than the lower edge of the window frame. You can freely go back and forth between this state (wagon style). Therefore, according to the above configuration, different styles can be arbitrarily selected and the product can be used for a wider range of purposes, thereby improving marketability and convenience.

The above vehicle body rear structure further includes a first rotation shaft that is a rotation shaft extending in the vehicle width direction around which the elevating structure rotates, and the rear surface of the elevating structure and the inner surface of the rear wall of the storage structure are respectively The elevating structure is flat and rotates around the first rotation axis, and descends or rises when the rear surface does not interfere with the storage structure even if the elevating structure descends or rises.

In the above configuration, for example, if the rear surface of the elevating structure is not parallel to the inner surface of the rear wall of the storage structure in the wagon style, the elevating structure rotates around the first rotation axis, and the elevating structure rotates around the first rotation axis. It can be transformed into a coupe style by descending with the rear surface parallel to the inner surface of the rear wall of the storage structure. As an example, if the rear surface of the elevating structure is parallel to the inner surface of the rear wall of the storage structure in the coupe style, after the elevating structure is raised, it further rotates around the first rotation axis, and the elevating structure By making the rear surface non-parallel to the inner surface of the rear wall of the storage structure, it can be transformed into a wagon style.

In this way, by rotating the elevating structure to take an appropriate posture before elevating it, the elevating structure can be raised and lowered without the rear surface interfering with the storage structure. Since the present invention utilizes such rotational movement, there is no need to expand the internal space of the storage structure toward the rear of the vehicle in order to avoid interference. Therefore, the length of the storage structure in the longitudinal direction of the vehicle can be reduced, and space can be saved. Therefore, even if it is a small car, different styles can be selected at will.

The above elevating structure has a pair of side walls, and the vehicle body rear structure further includes a rotation axis extending along the boundary between the pair of side walls and the upper surface of the elevating structure, around which the pair of side walls rotate. The pair of side walls of the elevating structure rotate around the pair of second rotating axes, and the pair of side walls do not interfere with the storage structure even when the elevating structure is lowered or raised. When the condition is reached, the lifting structure lowers or rises.

In the above configuration, as an example, if the pair of side walls is wide at the bottom of the vehicle and is inclined outward toward the bottom of the vehicle in a wagon style, the pair of side walls are respectively moved inward in the vehicle width direction around the pair of second rotation axes. By rotating it, it becomes perpendicular to the top surface. Then, by lowering the elevating structure with the pair of side walls perpendicular to the top surface, it can be transformed into a coupe style. As an example, in a coupe style, where the pair of side walls are perpendicular to the top surface, after the elevating structure rises, the pair of side walls further rotate outward in the vehicle width direction around the pair of second rotation axes. It can be transformed into a wagon style by widening at the end.

In this way, by rotating the pair of side walls of the elevating structure to take an appropriate posture before raising and lowering, the elevating structure can be raised and lowered without the pair of side walls interfering with the storage structure. Since the present invention also utilizes such rotational movement, there is no need to expand the internal space of the storage structure in the vehicle width direction to avoid interference. Therefore, the length of the storage structure in the vehicle width direction can be reduced, and space can be saved. Therefore, even if it is a small car, different styles can be selected at will.

The vehicle rear structure described above further includes a seat member that opens and closes the upper side of the storage structure. As a result, when the rear body structure transforms from a wagon style to a coupe style, the upper opening of the storage structure can be covered with the sheet member while the elevating structure is stored in the internal space of the storage structure. . Therefore, the appearance of the coupe style is not impaired, and the product quality can be improved.

The above-described seat member extends above the storage structure in the vehicle width direction, and opens and closes the upper side of the storage structure by expanding and contracting in the longitudinal direction of the vehicle. In this way, the seat member extends in the width direction of the vehicle, and when changing from a wagon style to a coupe style, for example, it is pulled out to the rear of the vehicle and expanded to cover the upper opening of the storage structure. I can do it. Therefore, the appearance of the coupe style is not impaired, and the product quality can be improved. Note that when changing from coupe style to wagon style, the elevating structure can be raised by folding the seat member towards the front of the vehicle, for example, to open the upper side of the storage structure and expose an opening.

The elevating structure described above rises and supports the seat member when the upper side of the storage structure is closed by the seat member. As a result, the elevating structure supports the sheet member while the upper opening of the storage structure is covered with the sheet member, so that the sheet member does not sag. Therefore, the appearance of the coupe style is improved, and the product quality can be improved.

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in these examples are merely illustrative to facilitate understanding of the invention, and do not limit the invention unless otherwise specified. In this specification and the drawings, elements with substantially the same functions and configurations are given the same reference numerals to omit redundant explanation, and elements not directly related to the present invention are omitted from illustration. do.

FIG. 1 is a diagram showing a vehicle rear structure 100 according to an embodiment of the present invention. In the figure, the vehicle body rear structure 100 is shown diagonally from the rear. In each of the figures below, the longitudinal direction of the vehicle is illustrated by arrows Front and Back, the left and right directions of the vehicle are illustrated by arrows Left and Right, and the vertical direction of the vehicle is illustrated by arrows Up and Down, respectively.

The vehicle body rear structure 100 is located behind the pillar 104 in the vehicle body 102, and includes a storage structure 106 and an elevating structure 108, as shown in FIG. 1(a). The pillar 104 constitutes a rear edge 112 of a door opening 110 provided on the side of the vehicle. The storage structure 106 is a structure located below the height of the so-called belt line. The height of the belt line is the height of the lower end 116 of the window frame of the door 114 that opens and closes the door opening 110. Further, the storage structure 106 has an internal space 118 for storage, and an opening 120 formed by opening the upper side of the internal space 118.

The elevating structure 108 is configured separately from the storage structure 106, and is a structure that moves up and down in the vertical direction of the vehicle. The elevating structure 108 is lowered to be stored in the internal space 118 of the storage structure 106 as shown in FIG. 1(b), and raised to the upper side of the storage structure 106 as shown in FIG. 1(a). It appears above the belt line and is located above the belt line.

That is, the vehicle body 102 can be transformed from the wagon style shown in FIG. 1(a) to the coupe style shown in FIG. The opposite deformation is possible. If the vehicle body 102 is a wagon style, it can increase convenience by ensuring sufficient interior space, for example, by increasing the loading capacity of luggage, while if it is a coupe style, the interior space will be smaller, but the appearance will be improved. Because of its good quality, it can improve its marketability.

The vehicle rear structure 100 further includes a seat member 122 shown in FIG. 1(b). The seat member 122 is a member that opens and closes the opening 120 that appears on the upper side of the storage structure 106 when changing from the wagon style to the coupe style. By covering the opening 120 of the storage structure 106 in a coupe style, the sheet member 122 does not impair the appearance of the coupe style and improves marketability.

FIG. 2 is an enlarged view of a part of the wagon-style rear body structure 100 of FIG. 1(a). 2(a), FIG. 2(b), and FIG. 2(c) are a top view, a side view, and a rear view showing a part of the vehicle body rear structure 100 of FIG. 1(a).

The elevating structure 108 has a pair of side walls 124 and 126, an upper surface 128 connecting the pair of side walls 124 and 126, and a rear surface 130. The vehicle body rear structure 100 further includes a first rotating shaft 132 and a pair of second rotating shafts 134 and 136 shown by dotted lines in the figure.

The first rotating shaft 132 is a rotating shaft extending in the vehicle width direction as shown in FIGS. It is located near the front of the vehicle. The entire elevating structure 108 rotates around the first rotating shaft 132 (see FIG. 5(a)). Further, the rear surface 130 of the lifting structure 108 is flat as shown in FIG. 2(b), and is non-parallel to the inner surface 140 of the rear wall 138 of the storage structure 106 in a wagon style. Further, the inner surface 140 of the rear wall 138 is a flat surface similar to the rear surface 130 of the lifting structure 108.

The pair of second rotating shafts 134, 136 are rotating shafts that extend in the vehicle longitudinal direction along the boundary between the pair of side walls 124, 126 and the upper surface 128, as shown in FIGS. 2(a) and 2(c). . Only the pair of side walls 124, 126 of the elevating structure 108 rotate around the pair of second rotation shafts 134, 136 (see FIG. 4(b)). Further, the pair of side walls 124 and 126, as shown in FIGS. 2(a) and 2(c), are shaped like a wagon and widen toward the outside in the vehicle width direction toward the bottom of the vehicle.

FIG. 3 is an enlarged view of a part of the coupe-style rear body structure 100 of FIG. 1(b). 3(a), FIG. 3(b), and FIG. 3(c) are a top view, a side view, and a rear view showing a part of the vehicle body rear structure 100 of FIG. 1(b).

In the vehicle rear structure 100 shown in FIG. 3, the lowered elevating structure 108 is stored in the internal space 118 of the storage structure 106, and the opening 120 of the storage structure 106 is opened as shown in FIGS. 3(a) and 3(c). As shown, it is covered with a sheet member 122. In this way, the vehicle body 102 has a coupe style as shown in FIG. 3(b), and has a good appearance and enhanced marketability.

4 to 7, the operation of the vehicle body rear structure 100 transforming from the wagon style shown in FIGS. 1(a) and 2 to the coupe style shown in FIG. 1(b) and FIG. 3 will be described below. explain.

FIG. 4 is a diagram showing the deformation operation of the vehicle body rear structure 100 following FIG. 1(a). First, in the wagon-style rear body structure 100, the elevating structure 108 is raised as shown by arrow A in FIG. 4(a) to form a gap B between it and the storage structure 106. Next, the vehicle body rear structure 100 rotates the pair of side walls 124 and 126 that are inclined toward each other in the vehicle width direction around the pair of second rotating shafts 134 and 136 as shown by arrows C and D in FIG. 4(b). Rotate each inward and perpendicular to top surface 128.

In this way, the pair of side walls 124 and 126 are perpendicular to the top surface 128, so that their positions in the vehicle width direction do not overlap with the pillar 104 and do not interfere with the pillar 104, as shown in FIG. 4(b). become a state.

FIG. 5 is a diagram showing the deformation operation of the vehicle body rear structure 100 following FIG. 4(b). As shown in FIG. 4(b), with the pair of side walls 124, 126 perpendicular to the top surface 128, the vehicle rear structure 100 is then moved to a position shown by the arrow E in FIG. 5(a). The elevating structure 108 is rotated around the rotation axis 132. By rotating the elevating structure 108 in this manner, the rear surface 130, which is a plane, of the elevating structure 108 is made parallel to the inner surface 140, which is a plane, of the rear wall 138 of the storage structure 106 shown in FIG. 2(b).

Furthermore, the vehicle rear structure 100 lowers the elevating structure 108 as shown by arrow F in FIG. 5(b). In the descending elevating structure 108, a pair of side walls 124 and 126 shown in FIG. 5(a) are perpendicular to the upper surface 128. Therefore, the length in the vehicle width direction of the internal space 118 of the storage structure 106 that accommodates the elevating structure 108 can be reduced. Moreover, the rear surface 130 of the lowering elevating structure 108 shown in FIG. 5(a) is parallel to the inner surface 140 of the rear wall 138 of the storage structure 106 (see FIG. 2(b)). Therefore, the length of the internal space 118 of the storage structure 106 in the vehicle longitudinal direction can be reduced. Therefore, in the vehicle rear structure 100, the internal space 118 required for the storage structure 106 can be reduced, and space can be saved.

FIG. 6 is a diagram showing the deformation operation of the vehicle body rear structure 100 following FIG. 5(b). Next, in the vehicle rear structure 100, the elevating structure 108 is further lowered as shown by arrow G in FIG. 6(a). As a result, as shown in FIG. 6(b), the elevating structure 108 is accommodated in the internal space 118 of the storage structure 106, and the opening 120 of the storage structure 106 appears.

The vehicle rear structure 100 further includes a moving member 142 shown in FIG. 6(b). The moving member 142 is spanned between rail members 144 and 146 provided on opposite sides of the opening 120 of the storage structure 106, and is moved along the rail members 144 and 146 by a built-in motor (not shown). and move.

Further, a rear end 148 of the sheet member 122 shown in FIGS. 7(a) and 7(b) is attached to the moving member 142. The sheet member 122 is a member that opens and closes the opening 120 of the storage structure 106. Therefore, the length of the seat member 122 in the vehicle width direction and the length in the vehicle longitudinal direction are adjusted as appropriate so that the seat member 122 can cover the opening 120. Note that in the state where the opening 120 shown in FIG. 6(b) appears, the sheet member 122 is stored in the internal space 118 of the storage structure 106 in a folded state, for example.

FIG. 7 is a diagram showing the deformation operation of the vehicle body rear structure 100 following FIG. 6(b). In the vehicle rear structure 100, the moving member 142 is moved toward the rear of the vehicle along the rail members 144 and 146, as shown by arrow H in FIG. 7(a). When the moving member 142 moves toward the rear of the vehicle, the seat member 122 is pulled out and unfolded toward the rear of the vehicle while being stretched in the vehicle width direction within the opening 120.

Then, as shown in FIG. 7B, when the moving member 142 reaches the rear edge 150 of the opening 120, the sheet member 122 covers the opening 120 of the storage structure 106. After the moving member 142 reaches the trailing edge 150 of the opening 120, it moves further down along the rails 144, 146. Therefore, the rear end 148 of the seat member 122 is stored in the internal space 118 of the storage structure 106 together with the moving member 142, and is not visible in the coupe style shown in FIG. 1(b). Therefore, the vehicle body rear structure 100 can improve marketability without impairing its coupe-style appearance.

Furthermore, in the vehicle rear structure 100, when the opening 120 of the storage structure 106 is covered and closed by the seat member 122, the elevating structure 108 is raised and the upper surface 128 (see FIG. 6(b)) support. Therefore, in the vehicle rear structure 100, the seat member 122 does not sag in the coupe style, and the appearance in the coupe style can be improved.

The operation in which the vehicle body rear structure 100 transforms from a wagon style to a coupe style has been described above, but when transforming from a coupe style to a wagon style, the above-described operation may be performed in reverse.

That is, in the vehicle body rear structure 100, first, as shown in FIG. 1(b) to FIG. 7(b) and then FIG. 7(a), the elevating structure 108 is lowered to open the opening 120 of the storage structure 106. The support of the covered sheet member 122 is released. Next, in the vehicle body rear structure 100, the movable member 142 is raised along the rail members 144 and 146, and further moved toward the front of the vehicle as shown by arrow I in FIG. 7(a). As a result, in the vehicle rear structure 100, the seat member 122 is folded, for example, to expose the opening 120 of the storage structure 106, as shown in FIG. 6(b).

Further, in the vehicle rear structure 100, as shown in FIG. 6(a) to FIG. 5(b), and further in FIG. (see arrows J and K). Subsequently, in the vehicle rear structure 100, the elevating structure 108 is rotated around the first rotating shaft 132 as shown by the arrow L in FIG. 5(a).

In the vehicle rear structure 100, the elevating structure 108 is rotated as shown by the arrow L, so that the rear surface 130 of the elevating structure 108 is aligned with the inner surface 140 of the rear wall 138 of the storage structure 106 (see FIG. 2(b)). Non-parallel. In this manner, in the vehicle rear structure 100, the elevating structure 108 appears above the storage structure 106, as shown in FIG. 4(b).

Next, in the vehicle rear structure 100, a pair of side walls 124, 126 perpendicular to the upper surface 128 of the elevating structure 108 are connected to a pair of second rotation axes as shown by arrows M and N in FIG. 4(b). 134 and 136, respectively, to the outside in the vehicle width direction. In this way, in the vehicle rear structure 100, the pair of side walls 124 and 126 widen toward the end, as shown in FIG. 4(a). Further, in the vehicle rear structure 100, as shown in the order from FIG. 4A to FIG. 1, the elevating structure 108 is lowered (see arrow O), resulting in the wagon style shown in FIG. 1 in which the gap B does not exist.

In this way, the vehicle body 102 can transform from a wagon style to a coupe style, and further from a coupe style to a wagon style, by the vehicle body rear structure 100, which has a simple structure that deforms as the elevating structure 108 moves up and down. Become. Therefore, the vehicle body 102 can be arbitrarily selected from two different styles, and can be used for a wider range of purposes, thereby increasing marketability and convenience.

Further, in the vehicle rear structure 100, when the elevating structure 108 is rotated around the first rotation axis 132 and the rear surface 130 is parallel to the inner surface 140 of the rear wall 138 of the storage structure 106, the elevating structure Lower or raise 108. That is, the elevating structure 108 rotates around the first rotation axis 132, and even if the elevating structure 108 descends or rises, it descends or rises when the rear surface 130 does not interfere with the storage structure 106. .

In this manner, in the vehicle rear structure 100, by rotating the elevating structure 108 to take an appropriate posture before raising and lowering it, the elevating structure 108 can be raised and lowered without the rear surface 130 interfering with the storage structure 106. I can do it. Since the vehicle rear structure 100 utilizes such rotational movement, there is no need to expand the internal space 118 of the storage structure 106 toward the rear of the vehicle to avoid interference. Therefore, the length of the storage structure 106 in the vehicle longitudinal direction can be reduced.

Further, in the vehicle rear structure 100, the pair of side walls 124, 126 of the elevating structure 108 are rotated around the pair of second rotation shafts 134, 136, so that the pair of side walls 124, 126 are perpendicular to the upper surface 128. , the elevating structure 108 is lowered or raised. In other words, in the elevating structure 108, the pair of side walls 124, 126 rotate around the pair of second rotation axes 134, 136, and even if the elevating structure 108 is lowered or raised, the pair of side walls 124, 126 remain in the storage structure. It descends or rises when it is in a state where it does not interfere with the body 106.

In this manner, in the vehicle rear structure 100, by rotating the pair of side walls 124, 126 of the elevating structure 108 to take an appropriate posture before elevating the structure, the pair of side walls 124, 126 interfere with the storage structure 106. The lifting structure 108 can be raised and lowered without any movement. Since the vehicle rear structure 100 also utilizes such rotational motion, there is no need to expand the internal space 118 of the storage structure 106 in the vehicle width direction to avoid interference. Therefore, the length of the storage structure 106 in the vehicle width direction can be reduced.

Therefore, the vehicle body rear structure 100 can reduce the internal space 118 of the storage structure 106 to save space, and thus can be applied to small vehicles. Therefore, even for a small car, it is possible to arbitrarily select two different styles, ie, a wagon style and a coupe style.

Further, in the vehicle rear structure 100, since the pair of side walls 124 and 126 are perpendicular to the upper surface 128, the elevating structure 108 can be lowered and raised without interfering with the pillar 104.

As the seat member, a seat member 122 that is pulled out to the rear side of the vehicle and unfolded by a moving member 142 that moves in the longitudinal direction of the vehicle, and then folded and stored toward the front side of the vehicle was adopted. It is not limited to this as long as it can be opened and closed. As an example, the seat member is pulled out and unfolded in the vehicle width direction from one side of the opening 120 to the other side using a moving member that moves in the vehicle width direction, and then expanded from the other side to one side. It may also be configured to be folded and stored. Alternatively, the seat member may be configured to open and close the opening 120 by manually moving in the vehicle longitudinal direction or vehicle width direction without using the moving member 142.

Although preferred embodiments of the present invention have been described above with reference to the accompanying drawings, it goes without saying that the present invention is not limited to such examples. It is clear that those skilled in the art can come up with various changes and modifications within the scope of the claims, and these naturally fall within the technical scope of the present invention. Understood.

INDUSTRIAL APPLICATION This invention can be utilized for a vehicle body rear structure.

DESCRIPTION OF SYMBOLS 100... Vehicle rear structure, 102... Vehicle body, 104... Pillar, 106... Storage structure, 108... Lifting structure, 110... Door opening, 112... Trailing edge of door opening, 114... Door, 116... Lower end of window frame , 118... Internal space, 120... Opening, 122... Sheet member, 124, 126... Pair of side walls, 128... Upper surface, 130... Rear surface, 132... First rotating shaft, 134, 136... Pair of second rotating shafts, 138 ... Rear wall of storage structure, 140 ... Inner surface of rear wall, 142 ... Moving member, 144, 146 ... Rail member, 148 ... Rear end of sheet member, 150 ... Rear edge of opening

Claims (5)

It is located on the rear side of a pillar that constitutes the rear edge of a door opening provided on the side of a vehicle, and is located below the height of the lower end of the window frame of the door that opens and closes the door opening, and has an internal space for storage. A storage structure with an open upper side;
an elevating structure that is stored in the internal space of the storage structure and rises to appear above the storage structure ;
a first rotating shaft that extends in the vehicle width direction and around which the elevating structure rotates ;
The rear surface of the elevating structure and the inner surface of the rear wall of the storage structure are each flat,
The elevating structure rotates around the first rotation axis, and descends or rises when the rear surface thereof does not interfere with the storage structure even if the elevating structure descends or rises. The rear structure of the car body is characterized by The elevating structure has a pair of side walls that are inclined outward in the vehicle width direction toward the lower side of the vehicle , and
The vehicle body rear structure further includes a pair of second rotation shafts that extend along the boundary between the pair of side walls and the top surface of the elevating structure, around which the pair of side walls rotate,
When the pair of side walls of the elevating structure rotate inward in the vehicle width direction around the pair of second rotation shafts, and the pair of side walls become perpendicular to the upper surface from the state of being inclined to widen toward the end. The vehicle body rear structure according to claim 1, wherein the elevating structure lowers or rises. The vehicle body rear structure according to claim 1 or 2 , further comprising a seat member that opens and closes an upper side of the storage structure. 4. The seat member according to claim 3 , wherein the seat member extends above the storage structure in the vehicle width direction, and opens and closes the upper side of the storage structure by expanding and contracting in the longitudinal direction of the vehicle. Vehicle rear structure. The vehicle body rear structure according to claim 3 or 4 , wherein the elevating structure rises and supports the seat member when the upper side of the storage structure is closed by the seat member.

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